CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income for the year	$ 10,987	$ 14,810	$ 13,952
Foreign currency translation adjustments, net of tax	(13,163)	(15,474)	9,754
Other comprehensive income/(loss) for the year	(13,163)	(15,474)	9,754
Total comprehensive income/(loss) for the year	(2,176)	(664)	23,706
Total comprehensive income/(loss) attributable to MiX Telematics Limited stockholders	(2,176)	(664)	23,701
Total comprehensive income attributable to non-controlling interest	0	0	5
Total comprehensive income/(loss) for the year	$ (2,176)	$ (664)	$ 23,706